画像データに基づくコークスの固体部分の熱拡散率の推定

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タイトル別名
  • Estimation of Thermal Diffusivity of Solid Part of Coke Based on Image Data
  • ガゾウ データ ニ モトズク コークス ノ コタイ ブブン ノ ネツ カクサン

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The ratio of thermal diffusivity of solid part to effective thermal diffusivity (αs/αe) was estimated by computer simulation of heat transfer using the image data of microstructure of a sample. Based on the fact that the value αs/αe is characteristic of structure of the sample, the thermal diffusivity of solid part of coke was estimated with the value αs/αe and the effective thermal diffusivity αe measured by LASER flash method.<BR>The temperature dependency of the estimated thermal diffusivity of solid part of coke was almost the same irrespective of the kind of coke. The estimated thermal diffusivity of solid part of coke was approximately 4.0×10-6 (m2/s) at temperatures below 1000K, and it increased as temperature rises at temperatures higher than 1000K.<BR>Effect of the accumulative thickness of carbon mesh plane Lc on the estimated thermal diffusivity of solid part of coke was found to be insignificant.

収録刊行物

  • 鉄と鋼

    鉄と鋼 83 (1), 7-11, 1997

    一般社団法人 日本鉄鋼協会

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